Bubble Gum (Subbed)

Haeng-ah confesses her breakup on live radio. Ri-hwan goes to her ex's place and runs into Seok-jun.

Haeng-ah is enraged to know Ri-hwan's secret visit. On his way to apologize, he sees Seok-jun again.

Ri-hwan being nice to Haeng-ah bothers I-seul. Seok-jun provokes Ri-hwan by answering his call.

Haeng-ah asks Ri-hwan for help to cut out Seok-jun from her life. Ri-hwan answers with a kiss.

As Ri-hwan and Haeng-ah grow closer, I-seul confesses her love. Seok-jun tries to see Haeng-ah.

Seok-jun tries to get Haeng-ah back but she's into Ri-hwan. I-seul sees her ex as she meets Ri-hwan.

I-seul ditches a date and heads to Ri-hwan. Seon-yeong gets lost on her way to meet I-seul's mom.

Seok-jun saves Haeng-ah fainted in the rain. Haeng-ah moves to Seon-yeong's place to be by her side.

Haeng-ah wants to stay as friends with Ri-hwan. Worried about her, Seok-jun visits Ri-hwan's clinic.

Ri-hwan realizes that Haeng-ah cannot be happy by his side and decides to prove his love to her.

A love letter to 2nd grader Ri-hwan is broadcasted on campus. Haeng-ah argues that it wasn't her.

Haeng-ah meets Ri-hwan again. She makes a tearful confession and asks him to wait for her.

I-seul and Seok-jun find ways to forget Ri-hwan and Haeng-ah. Seon-yeong has a surprise visitor.

Haeng-ah and Ri-hwan plans a big event. Friend and family gather at the Secret Garden to celebrate.

Ri-hwan, back from the clinic, is thanked by Haeng-ah. I-seul runs into Ri-hwan again during a date.